Potten, A.J. van, author
Rabobank International Group, 1966
Buku Teks
Palasri, Sirin, author
University of Oregon Books, 1999
Buku Teks
Blackwell Publisher, 1992
Buku Teks
Kawaguchi, Keizaburo
Center for Southeast Asian Studies Kyoto University, 1969
Buku Teks
Lomax, Louis.E
Random House, 1967
Buku Teks